Dowsil™ 890-SL Silicone Joint Sealant

Dowsil™ 890-SL is a high-performance, self-leveling silicone sealant designed for sealing joints in concrete and concrete-to-asphalt pavements. Its ultra-low modulus formulation allows for exceptional flexibility, making it ideal for dynamic joints prone to movement. This sealant is weather-resistant, fuel-resistant, and cures quickly, offering a convenient and durable solution for various applications.

Key Features

• Self-leveling, no tooling required
• Can be extruded in a wide temperature range (-20 to 120°F)
• Flows into irregular joint widths
• 100% extension and 50% compression movement capability
• Ultra-low modulus for maximum flexibility
• Weather and UV resistant
• Short-term fuel resistant
• Cold applied and ready-to-use
• Unprimed adhesion to Portland cement concrete and asphalt
• Fast skin-over time